It takes a lot of work from the face to let out a smile,
but just think what good smiling can bring to the most important muscle
of the body... the heart.

Always remember to be happy because you never know who's falling in love
with your smile.
A smile costs nothing but gives much. It enriches those who receive without
making poorer those who give.
It takes but a moment, but the memory of it sometimes lasts forever.
None is so rich or mighty that he cannot get along without it
and none is so poor that he cannot be made rich by it.
Yet a smile cannot be bought, begged, borrowed, or stolen, for it is something that
is of no value to anyone until it is given away.
Some people are too tired to give you a smile. Give them one of yours,
as none needs a smile so much as he who has no more to give.